Genetics and Biotechnology. Biotechnology. A group of many technologies that use living cells or their processes to make products or solve problems Used in basic and applied research Used in developing products for the marketplace. Medicine Plant Science Food Science Genetics Biochemistry.
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An organism’s appearance and qualities are the products of gene expression
Different forms of a gene (called alleles)
can lead to different phenotypes (expression of traits)
Trait (Fruit Color)
(many genes transferred)
(one gene transferred)
* Losey et al., 1999. Transgenic pollen harms monarch larvae. Nature 399:214.
Are the data reproducible?
Does the lab represent the field?
What controls should be included?
What does monarch reproductive behavior say about the lab experiment?
Is all Bt corn the same?
How does Bt corn compare to impact of current insect control methods?
What is the greatest documented threat to monarch survival?
Is the monarch endangered?
Gatehouse et al., 2002. The case of the monarch butterfly: a verdict is returned. Trends in Genetics 18:249-251.
http://www.cbsnews.com/stories/2000/09/18/tech/main234240.shtml; accessed 17 June 04
Wolfenberger and Phifer, 2000. The ecological risks and benefits of genetically engineered plants. Science 290:2088.
Dolly and Mom
Proteins from milk of transgenic animals
Clotting factor IX
Insulin-like growth factor
Iron supplement in
Treatment of hemophilia
Treatment of diabetes
David Vetter, the “Bubble Boy”
Severe Combined Immune Deficiency
Enzymes in plant roots break down (degrade) organic contaminants.
The fragments are incorporated into new plant materials.